* {
    margin: 0;
    padding: 0;
}

input {
    outline: none;
    cursor: pointer;
}

html,
body {
    height: 100%;
}

header {
    margin: 0px auto;
    width: 1200px;
    position: relative;
    z-index: 1000
}

header a {
    text-decoration: none;
    text-align: center;
}

header img {
    width: 187px;
    height: 73px;
    max-width: 100%;
    vertical-align: middle;
    border: 0;
}

header>div {
    margin: 0 auto;
    width: 187px;
    height: 73px;
}

/* --------main------- */

main {
    position: relative;
    width: 1000px;
    height: 410px;
    margin-top: 50px;
    margin-bottom: 60px;
    margin: 50px auto 60px;
    background: url(http://activity.dapuimg.com/dapu_2014070101_login1.jpg) no-repeat center center;
}

main>div {
    width: 500px;
    height: 370px;
    background-color: rgba(255, 255, 255, 0.7);
    background-color: rgb(255, 255, 255);
    border-radius: 5px 5px;
    float: right;
    padding: 10px 10px;
    margin: 10px 10px;
    filter: alpha(opacity=90);
    opacity: .9;
}

main h3 {
    text-align: center;
    font-size: 24.5px;
    line-height: 40px;
    display: block;
    margin-block-start: 10px;
    font-weight: bold;
    color: #877b74;
}

main .m2 {
    width: 500px;
    height: 130px;
    margin-top: 50px;
}

main>table {
    margin: 0 auto;
}

/* --------footer--------- */

footer {
    width: 100%;
    height: 80px;

    background: #efefef;
    padding: 20px 0px;
}

footer a {
    text-decoration: none;
}

footer ul {
    list-style: none;
    background-color: red;
}

footer li {
    float: left;
}

footer .f1 {
    width: 300px;
    height: 30px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 30px;
}

footer li>a {
    color: #08c;
}

footer .f2 {
    font-size: 14px;
}

footer .f2>p {
    text-align: center;
    margin-top: 20px;
}